diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/device/user.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/device/user.c | 53 |
1 files changed, 47 insertions, 6 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/user.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/user.c index 16bb041..4867bbd 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/user.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/user.c @@ -173,13 +173,55 @@ nvkm_udevice_map(struct nvkm_object *object, u64 *addr, u32 *size) return 0; } +static int +nvkm_udevice_fini(struct nvkm_object *object, bool suspend) +{ + struct nvkm_udevice *udev = (void *)object; + struct nvkm_device *device = udev->device; + int ret = 0; + + mutex_lock(&device->mutex); + if (!--device->refcount) { + ret = nvkm_device_fini(device, suspend); + if (ret && suspend) { + device->refcount++; + goto done; + } + } + +done: + mutex_unlock(&device->mutex); + return ret; +} + +static int +nvkm_udevice_init(struct nvkm_object *object) +{ + struct nvkm_udevice *udev = (void *)object; + struct nvkm_device *device = udev->device; + int ret = 0; + + mutex_lock(&device->mutex); + if (!device->refcount++) { + ret = nvkm_device_init(device); + if (ret) { + device->refcount--; + goto done; + } + } + +done: + mutex_unlock(&device->mutex); + return ret; +} + static struct nvkm_oclass nvkm_udevice_oclass_super = { .handle = NV_DEVICE, .ofuncs = &(struct nvkm_ofuncs) { .dtor = _nvkm_parent_dtor, - .init = _nvkm_parent_init, - .fini = _nvkm_parent_fini, + .init = nvkm_udevice_init, + .fini = nvkm_udevice_fini, .mthd = nvkm_udevice_mthd, .map = nvkm_udevice_map, .rd08 = nvkm_udevice_rd08, @@ -223,8 +265,7 @@ nvkm_udevice_ctor(struct nvkm_object *parent, struct nvkm_object *engine, return -ENODEV; } - ret = nvkm_parent_create(parent, nv_object(device), oclass, 0, - nvkm_control_oclass, + ret = nvkm_parent_create(parent, NULL, oclass, 0, nvkm_control_oclass, (1ULL << NVDEV_ENGINE_DMAOBJ) | (1ULL << NVDEV_ENGINE_FIFO) | (1ULL << NVDEV_ENGINE_DISP) | @@ -241,7 +282,7 @@ struct nvkm_ofuncs nvkm_udevice_ofuncs = { .ctor = nvkm_udevice_ctor, .dtor = _nvkm_parent_dtor, - .init = _nvkm_parent_init, - .fini = _nvkm_parent_fini, + .init = nvkm_udevice_init, + .fini = nvkm_udevice_fini, .mthd = nvkm_udevice_mthd, }; |